CN206524745U - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
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- CN206524745U CN206524745U CN201720079364.2U CN201720079364U CN206524745U CN 206524745 U CN206524745 U CN 206524745U CN 201720079364 U CN201720079364 U CN 201720079364U CN 206524745 U CN206524745 U CN 206524745U
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Abstract
The utility model provides a kind of linear vibration electric motor, including housing and the oscillator and stator that are contained in the housing, the stator includes solenoid, the oscillator includes magnetic structure, the magnetic structure includes the first magnetic conductive part, second magnetic conductive part, 3rd magnetic conductive part and the 4th magnetic conductive part, first magnetic conductive part, second magnetic conductive part, 3rd magnetic conductive part and the 4th magnetic conductive part are integrally formed the annular magnetic bowl surrounded with host cavity, the magnetic structure also include being arranged in magnetic bowl and with the spaced soft magnetic bodies of magnetic bowl, the soft magnetic bodies include the first soft magnetic bodies, it is individually fixed in second soft magnetic bodies and the 3rd soft magnetic bodies at the first soft magnetic bodies two ends, at least one of second soft magnetic bodies and the 3rd soft magnetic bodies are set with the first soft magnetic bodies split.The driving force of the oscillator of linear vibration electric motor of the present utility model is big, and fast response time.
Description
【Technical field】
The utility model is related to vibrating motor field, more particularly to a kind of linear vibration electric motor.
【Background technology】
Linear vibration electric motor is the part that a kind of generation principle of utilization electromagnetic force converts electrical energy into mechanical energy, is linearly shaken
Dynamic motor is typically mounted in portable mobile apparatus, to produce vibrational feedback, the vibration of such as mobile phone or the vibration of game machine
Feedback etc..
In correlation technique, the Lorentz that linear vibration electric motor is generally only produced by the magnetic field interaction of coil and magnet steel
Power provides driving force, of reciprocating vibration with drive vibrator, but the driving force of above-mentioned linear vibration electric motor is smaller, therefore causes vibration
Response time is longer.
Therefore, it is necessary to provide a kind of new linear vibration electric motor to solve the above problems.
【Utility model content】
The purpose of this utility model is to provide that a kind of assembling is simple, the linear vibration electric motor of fast response time.
The technical solution of the utility model is as follows:A kind of linear vibration electric motor, including the housing with receiving space are provided
With the oscillator and stator being contained in the housing, a wherein side for the oscillator and the stator includes solenoid, described to shake
Wherein the opposing party of sub and described stator includes magnetic structure, and the magnetic structure includes
It is divided into the first magnetic conductive part and the second magnetic conductive part that the solenoid two ends are oppositely arranged;
It is divided into the 3rd magnetic conductive part and the 4th magnetic conductive part that the solenoid both sides are oppositely arranged, first magnetic conductive part,
Second magnetic conductive part, the 3rd magnetic conductive part and the 4th magnetic conductive part are integrally formed and surround the annular magnetic with host cavity
Bowl, the solenoid is contained in the host cavity and led with first magnetic conductive part, second magnetic conductive part, the described 3rd
Magnetic part and the 4th magnetic conductive part are arranged at intervals;
And be arranged in magnetic bowl and with the spaced soft magnetic bodies of magnetic bowl, it is soft that the soft magnetic bodies include first
Magnet, the second soft magnetic bodies and the 3rd soft magnetic bodies for being individually fixed in the first soft magnetic bodies two ends, second soft magnetic bodies and institute
State at least one of the 3rd soft magnetic bodies to set with the first soft magnetic bodies split, the solenoid is sheathed on first soft magnetic bodies
Periphery is simultaneously located between second soft magnetic bodies and the 3rd soft magnetic bodies.
It is preferred that, first soft magnetic bodies are in the form of a column, axial orthographic projection of the solenoid along first soft magnetic bodies
Entirely fall on second soft magnetic bodies and the 3rd soft magnet.
It is preferred that, the magnetic structure also includes being fixed on the first magnetic part of first magnetic conductive part and is fixed on described
Second magnetic part of the second magnetic conductive part, first magnetic part and second soft magnetic bodies are just pair and between second soft magnetic bodies
Every setting, second magnetic part and the 3rd soft magnetic bodies are arranged at intervals just pair and with the 3rd soft magnetic bodies.
It is preferred that, first magnetic part and second magnetic part are magnet;Or, first magnetic part and described
It is convex that second magnetic part extends the magnetic conduction to be formed for respectively from first magnetic conductive part and second magnetic conductive part towards the soft magnetic bodies
Block.
It is preferred that, the magnetic structure also includes being fixed on the 3rd magnetic part of the 3rd magnetic conductive part and is fixed on described
4th magnetic part of the 4th magnetic conductive part, the 3rd magnetic part and the 4th magnetic part respectively with the solenoid just pair and between
Every setting.
It is preferred that, the 3rd magnetic part and the 4th magnetic part are magnet.
It is preferred that, the 3rd magnetic part and the 4th magnetic part are respectively from the 3rd magnetic conductive part and the described 4th
It is raised that magnetic conductive part extends the magnetic conduction to be formed towards the soft magnetic bodies.
It is preferred that, first soft magnetic bodies are set with second soft magnetic bodies and the 3rd soft magnetic bodies split respectively, institute
State the second soft magnetic bodies and the 3rd soft magnetic bodies are sheathed on the two ends of first soft magnetic bodies respectively.
It is preferred that, first soft magnetic bodies are set with the second soft magnetic bodies split, and second soft magnetic bodies are sheathed on institute
State one end of the first soft magnetic bodies, the other end of first soft magnetic bodies and the 3rd soft magnetism body by integral forming.
It is preferred that, described first soft magnetic bodies one end and the second soft magnetic bodies split are set, the other end and the described 3rd soft
Magnet is integrally formed setting;Second soft magnetic bodies include main part and the extension extended by described main part one end, described
The main part other end abuts first soft magnetic bodies.
The beneficial effects of the utility model are:The magnetic structure for the linear vibration electric motor that the utility model is provided includes soft
Magnet and the solenoid for being sheathed on the soft magnetic bodies, and magnetic is set in the soft magnetic bodies and the solenoid both sides, make institute
Between the solenoid after stating magnetic and being powered after the Lorentz force that produces and soft magnetic bodies magnetization and with magnetic it
Between active force be stacked the vibration of adduction drive vibrator, increase is driven the driving force of the oscillator, so that motor response speed
It hurry up;The soft magnetic bodies are spliced and combined by multiple soft magnetic bodies simultaneously forms, and makes installation and removal simple, is easy to assembling.
【Brief description of the drawings】
Fig. 1 is the stereogram of the utility model linear vibration electric motor embodiment one;
Fig. 2 is the stereochemical structure exploded view of the utility model linear vibration electric motor embodiment one;
Fig. 3 is the sectional view of the line A-A along along Fig. 1;
Fig. 4 is the stereochemical structure exploded view of soft magnetic bodies embodiment one in the utility model linear vibration electric motor;
Fig. 5 is the part-structure schematic diagram of the utility model linear vibration electric motor embodiment one;
Fig. 6 is the part-structure schematic diagram of the utility model linear vibration electric motor embodiment two;
Fig. 7 is the part-structure schematic diagram of the utility model linear vibration electric motor embodiment three;
Fig. 8 is the stereochemical structure exploded view of soft magnetic bodies example IV in the utility model linear vibration electric motor;
Fig. 9 is the stereochemical structure exploded view of soft magnetic bodies embodiment five in the utility model linear vibration electric motor;
Figure 10 is the stereochemical structure exploded view of soft magnetic bodies embodiment six in the utility model linear vibration electric motor;
Figure 11 is the stereochemical structure exploded view of soft magnetic bodies embodiment seven in the utility model linear vibration electric motor.
【Embodiment】
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1-Fig. 3 is refer to, wherein, Fig. 1 is the stereogram of the utility model linear vibration electric motor embodiment one;Fig. 2 is
The stereochemical structure exploded view of the utility model linear vibration electric motor embodiment one;Fig. 3 is the sectional view of the line A-A along along Fig. 1.It is described
Linear vibration electric motor 200 includes the housing 1 with receiving space, the oscillator 2 being contained in the housing 1 and stator 3 and will
The oscillator 2 is suspended in the elastic component 4 in the housing 1.
The housing 1 includes the first housing 11 and is covered on first housing 11 and forms the second of the receiving space
Housing 12.
A wherein side for the oscillator 2 and the stator 3 includes solenoid 31, and the oscillator 2 and the stator 3 are wherein
The opposing party includes magnetic structure 21.In order to which the present invention is described in detail, the stator 3 is now set to include the solenoid 31
With the soft magnetic bodies 32 being fixed on housing 1, solenoid 31 is set in soft magnetic bodies 32, and the oscillator 2 includes the magnetic structure
21.The oscillator 2 also includes the mass 22 for producing vibration.The solenoid 31 produces electromagnetic force, the magnetic circuit knot after being powered
Structure 21 produces Loulun magnetism, by the superposition of electromagnetic force and the Loulun magnetism, so as to promote the oscillator 2 in the housing 1
Internal vibration, and then vibration sense is externally exported by the vibrating motor 200.
The magnetic structure 21 includes the first magnetic conductive part 211, the second magnetic conductive part 212, the 3rd magnetic conductive part 213, the 4th magnetic conduction
Part 214, by first magnetic conductive part 211, second magnetic conductive part 212, the 3rd magnetic conductive part 213 and the 4th magnetic conductive part
214 are integrally formed the annular magnetic bowl 215 surrounded with host cavity.212 points of first magnetic conductive part 211 and second magnetic conductive part
Located at the two ends of solenoid 31 and it is oppositely arranged.3rd magnetic conductive part 211 and the 4th magnetic conductive part 214 are divided into described
The both sides of solenoid 31 and it is oppositely arranged.The solenoid 31 be contained in the host cavity and with first magnetic conductive part 211,
Second magnetic conductive part 212, the 3rd magnetic conductive part 213 and the 4th magnetic conductive part 214 are arranged at intervals.
The magnetic structure 21 also include being fixed on the first magnetic part 217 of first magnetic conductive part 211, be fixed on it is described
Second magnetic part 218 of the second magnetic conductive part 212, it is fixed on the 3rd magnetic part 219 of the 3rd magnetic conductive part 213 and is fixed on institute
State the 4th magnetic part 210 of the 4th magnetic conductive part 214.The mass 22 includes side wall 221 and enclosed by the side wall 221 to be formed
Receiving space 222.In present embodiment, the receiving space 222 is square.The elastic component 4 is preferred in the present invention
For U-shaped spring.The mass 22 is fixed in described one end of elastic component 4, and the other end is fixed on the housing 1.The elastic component 4
It is preferably provided with strengthening weld tabs with the mass 22 and/or the junction of the housing 1, can not only strengthens the elastic component 4
Adhesion, is also prevented from the overflexing of elastic component 4 and is broken.
It is that the stereochemical structure of soft magnetic bodies embodiment one in the utility model linear vibration electric motor is decomposed incorporated by reference to reference picture 4
Figure.The stator 3 also include being arranged in magnetic bowl 215 and with the magnetic 215 spaced soft magnetic bodies 32 of bowl.It is described soft
Magnet 32 is made up of ferro-silicium.The soft magnetic bodies 32 include the first soft magnetic bodies 321, are individually fixed in first soft magnetic bodies
Second soft magnetic bodies 322 at 321 two ends and the 3rd soft magnetic bodies 323, first soft magnetic bodies 321 are in the form of a column, 31 sets of the solenoid
Located at the periphery of the first soft magnetic bodies 321 and positioned between second soft magnetic bodies 322 and the 3rd soft magnetic bodies 323.It is described
Axial orthographic projection of the solenoid 31 along first soft magnetic bodies 321 entirely falls in second soft magnetic bodies 322 and the described 3rd
In soft magnetic bodies 323.Wherein, at least one of second soft magnetic bodies 322 and the 3rd soft magnetic bodies 323 and first soft magnetism
The split of body 321 is set.
In present embodiment, first soft magnetic bodies 321 respectively with second soft magnetic bodies 322 and the 3rd soft magnetic bodies
323 splits are set, and second soft magnetic bodies 322 and the 3rd soft magnetic bodies 323 are sheathed on first soft magnetic bodies 321 respectively
Two ends.Specifically, second soft magnetic bodies 322 offer the first through hole 3221 through thereon, the 3rd soft magnetic bodies 323 are opened
Provided with through the second through hole 3231 thereon.One end of first soft magnetic bodies 321 is described through the first through hole 3221
The other end of first soft magnetic bodies 321 makes second soft magnetic bodies 322 and the 3rd soft magnetism through second through hole 3231
Body 323 is arranged and is fixed on the two ends of the first soft magnetic bodies 321 respectively.By the way that the soft magnetic bodies 32 are arranged into Split type structure,
The soft magnetic bodies 32 is mounted and dismounted simply, be easy to assembling.
Fig. 5 is refer to, is the part-structure schematic diagram of the utility model linear vibration electric motor embodiment one.First magnetic
Property part 217 and second soft magnetic bodies 322 are arranged at intervals just pair and with second soft magnetic bodies 322, second magnetic part 218
It is arranged at intervals just pair and with the 3rd soft magnetic bodies 323 with the 3rd soft magnetic bodies 323.3rd magnetic part 219 with it is described
4th magnetic part 210 just pair and is arranged at intervals with the solenoid 31 respectively.In present embodiment, first magnetic part 217
And second magnetic part 218 is magnet.3rd magnetic part 219 and the 4th magnetic part 210 is respectively from described the
One magnetic conductive part 211 and second magnetic conductive part 212 extend the magnetic conduction projection formed towards the soft magnetic bodies 32.
First magnetic part 217 and second magnetic part 218 are individually fixed in 215 inwalls of the magnetic bowl, and two institutes
State the first magnetic part 217 and second magnetic part 218 is oppositely arranged.First magnetic part 217 and second magnetic part
218 are located at the both sides along the direction of vibration of mass 22 of the solenoid 31 respectively, wherein, first magnetic part 217
Just pair and be arranged at intervals with second soft magnetic bodies 322, second magnetic part 218 and the 3rd soft magnetic bodies 323 just pair and
It is arranged at intervals, second soft magnetic bodies 322 and the spacing of first magnetic part 217 are more than or equal to the mass 22 most
The spacing of large amplitude, the 3rd soft magnetic bodies 323 and second magnetic part 218 is more than or equal to the maximum of the mass 22
Amplitude, making the presence of first magnetic part 217 and second magnetic part 218 does not influence the normal of the mass 22 to shake
It is dynamic.
First magnetic part 217 is relative with the polarity homopolarity of second magnetic part 218.It is described in present embodiment
The N of first magnetic part 217 and second magnetic part 218 is extremely relative.The magnetic line of force of first magnetic part 217 goes out from its N pole
Hair, and through second soft magnetic bodies 322 into one end of the solenoid 31, then respectively from the both sides of the solenoid 31
Pass, and its S pole is returned to by magnetic bowl 215, the magnetic line of force of first magnetic part 217 is in the every side shape of the solenoid 31
Into a complete magnetic loop.The magnetic line of force of second magnetic part 218 passes through the 3rd soft magnetic bodies 323 from its N pole
Into the other end of the solenoid 31, then the both sides respectively from the solenoid 31 are passed, and pass through magnetic bowl 215 times
To its S pole, wherein, second magnetic part 218 forms a complete magnetic loop per side in the solenoid 31, makes described the
One magnetic part 217 and second magnetic part 218 form four complete magnetic loops altogether.
When the solenoid 31 is powered, the magnetic line of force difference of first magnetic part 217 and second magnetic part 218
Lorentz force is produced with the solenoid 31 interaction and drives the mass 22 to vibrate.Specifically, the solenoid 31
The soft magnetic bodies 32 are produced in magnetization, present embodiment during energization, for purposes of illustration only, positioned at first soft magnetic bodies 321 1
Second soft magnetic bodies 322 at end are set to S poles, and the 3rd soft magnetic bodies 323 positioned at the other end of the first soft magnetic bodies 321 are
N poles, now, the S poles of the soft magnetic bodies 32 produce attraction, the N poles of the soft magnetic bodies 32 and institute with first magnetic part 217
State the second magnetic part 218 produce repulsive force, now the active force between the soft magnetic bodies 32 and first magnetic part 217 and
With the active force of second magnetic part 218 make a concerted effort towards first magnetic part 217 so that promote the mass 22 to
The direction of first magnetic part 217 vibration;Accordingly, the soft magnetic bodies 32 and described the when the solenoid 31 is reversely powered
The active force of one magnetic part 217 and second magnetic part 218 make a concerted effort towards second magnetic part 218, so as to promote institute
Mass 22 is stated to vibrate to the direction of the second magnetic part 218.By setting first magnetic part 217 and second magnetic
Part 218 and the soft magnetic bodies 32, make the vibrating motor 200 to produce two drivings that the driving mass 22 vibrates
Power, i.e., the Lorentz lorentz that described first magnetic part 217 and second magnetic part 218 are produced with the solenoid 31 of energization respectively
Power and the solenoid 31 make after being powered the soft magnetic bodies 32 magnetize and with first magnetic part 217 and second magnetic
The electromagnetic force that the interaction of part 218 is produced, by the way that above-mentioned Lorentz force and electromagnetic force is superimposed, can be achieved larger driving
Power, makes the fast response time of linear vibration electric motor 200.In addition to the embodiments described above, first magnetic part 217 and described second
Magnetic part 218 can also be extremely relative for S, and it forms magnetic loop and acts the principle of power with above-mentioned with the soft magnetic bodies 32
Embodiment.
Embodiment two
It is the part-structure schematic diagram of linear vibration electric motor embodiment two of the present utility model incorporated by reference to reference picture 6.This reality
The structure for applying the linear vibration electric motor of example is substantially the same with embodiment two, and difference is first magnetic in present embodiment
Part 217a and the second magnetic part 218a is respectively from first magnetic conductive part 211 and second magnetic conductive part 212 towards described
The magnetic conduction projection that the extension of soft magnetic bodies 32 is formed, the 3rd magnetic part 219a and the 4th magnetic part 210a are magnet.
In present embodiment, the N of the 3rd magnetic part 219 and the 4th magnetic part 210 is extremely relative.Wherein, it is described
The magnetic line of force of 3rd magnetic part 219 enters first soft magnetic bodies 321, Ran Houfen from its N pole through the solenoid 31
Do not passed from second soft magnetic bodies 322 and the 3rd soft magnetic bodies 323 and its S pole is returned to by magnetic bowl 215, form two
Complete magnetic loop.The magnetic line of force of 4th magnetic part 210 enters described the from its N pole through the solenoid 31
One soft magnetic bodies 321, are then passed and by magnetic bowl from second soft magnetic bodies 322 and the 3rd soft magnetic bodies 323 respectively
215 return to its S pole, form two complete magnetic loops.
Embodiment three
Fig. 7 is refer to, is the part-structure schematic diagram of the embodiment three of linear vibration electric motor of the present utility model.This implementation
The structure of the linear vibration electric motor of example is substantially the same with embodiment one, and difference is:The first magnetic part 217b, described second
Magnetic part 218b is that magnet, the 3rd magnetic part 219b and the 4th magnetic part 210b are magnet.First magnetic
Part 217b is relative with the second magnetic part 218b homopolarities, the 3rd magnetic part 219b and the 4th magnetic part 210b homopolarities
Relatively, and polarity relative with the second magnetic part 218b the first magnetic part 217b and the 3rd magnetic part 219b and
The polarity of the 4th magnetic part 210b is different.In present embodiment, the first magnetic part 217b and second magnetic part
218b N poles are oppositely arranged, and the S poles of the 3rd magnetic part 218b and the 4th magnetic part 210b are oppositely arranged.
The magnetic line of force of the first magnetic part 217b enters described from its N pole, and through second soft magnetic bodies 322
One end of solenoid 31, then the both sides respectively from the solenoid 31 pass, be each passed through the 3rd magnetic part 219b and
The 4th magnetic part 210b simultaneously 215 returns to its S pole by magnetic bowl, makes the first magnetic part 217b formation two complete
Magnetic loop.The magnetic line of force of the second magnetic part 218b enters the spiral shell from its N pole through the 3rd soft magnetic bodies 323
One end of spool 31, then the both sides respectively from the solenoid 31 pass, into the 3rd magnetic part 219b and described
Four magnetic part 210b simultaneously return to its S pole by magnetic bowl 215, return two complete magnetic of the second magnetic part 218b formation
Road.The magnetic line of force of the 3rd magnetic part 219b and the 4th magnetic part 210b are from its N pole, through the solenoid 31
And enter first soft magnetic bodies 321, then passed respectively by second soft magnetic bodies 322 and the 3rd soft magnetic bodies 323, and
Its S pole is returned to by the first magnetic part 217b and the second magnetic part 218b and along magnetic bowl 215, makes to form four
Complete magnetic loop.By setting up the 3rd magnetic part 219b and the 4th magnetic part 210b, make first magnetic part
The magnetic loop of 217b and the second magnetic part 218b formation is formed with the 3rd magnetic part 219b and the 4th magnetic part 210b
Magnetic loop it is superimposed, the driving force for driving the mass 22 to vibrate can be further enhanced.
Example IV
It is that the stereochemical structure of soft magnetic bodies example IV in the utility model linear vibration electric motor is decomposed incorporated by reference to reference picture 8
Figure.The structure of the linear vibration electric motor of the present embodiment is substantially the same with embodiment one, and the present embodiment and the difference of embodiment one exist
In:The soft magnetic bodies 32b includes the first soft magnetic bodies 321b, is individually fixed in second soft magnetism at the first soft magnetic bodies 321b two ends
Body 322b and the 3rd soft magnetic bodies 323b.Wherein, the first soft magnetic bodies 321b is set with the second soft magnetic bodies 322b splits.Tool
Body, the second soft magnetic bodies 322b includes the through hole 3221b through thereon, and described first soft magnetic bodies 321b one end is through described
Through hole 3221b makes the second soft magnetic bodies 322b be sheathed on one end of the first soft magnetic bodies 321b, first soft magnetic bodies
The 321b other end is integrally formed with the 3rd soft magnetic bodies 323b.
Embodiment five
It is that the stereochemical structure of soft magnetic bodies embodiment five in the utility model linear vibration electric motor is decomposed incorporated by reference to reference picture 9
Figure.The structure of the linear vibration electric motor of the present embodiment is substantially the same with embodiment one, and the present embodiment and the difference of embodiment one exist
In:The soft magnetic bodies 32c includes the first soft magnetic bodies 321c and integrally formed second soft magnetism in the first soft magnetic bodies 321c one end
Body 322c, and the 3rd soft magnetic bodies 323c set with the first soft magnetic bodies 321c splits.Wherein, the 3rd soft magnetic bodies 323c bags
Include theme portion 3231c and extend the extension 3232c to be formed from the main part 3231c, the main part is away from the extension
Portion 3232c one end is abutted with first soft magnetic bodies.
Embodiment six
It is that the stereochemical structure of soft magnetic bodies embodiment six in the utility model linear vibration electric motor is decomposed incorporated by reference to reference picture 10
Figure.The structure of the linear vibration electric motor of the present embodiment is substantially the same with embodiment one, and the present embodiment and the difference of embodiment one exist
In:The 3rd magnetic part 219c and the 4th magnetic part 210c is only set, and the 3rd magnetic part 219c and described
4th magnetic part 210c homopolarities are oppositely arranged.For example, the magnetic line of force of the 3rd magnetic part 219c is from its N pole, through institute
State solenoid 31 and enter first soft magnetic bodies 321, then respectively from second soft magnetic bodies 322 and the 3rd soft magnetic bodies
323 pass and return to its S pole by magnetic bowl 215, form two complete magnetic loops.The magnetic force of the 4th magnetic part 210c
Line enters first soft magnetic bodies 321, then respectively from second soft magnetic bodies from its N pole through the solenoid 31
322 and the 3rd soft magnetic bodies 323 pass and its S pole returned to by magnetic bowl 215, form two complete magnetic loops.
Embodiment seven
It is that the stereochemical structure of soft magnetic bodies embodiment seven in the utility model linear vibration electric motor is decomposed incorporated by reference to reference picture 11
Figure.The structure of the linear vibration electric motor of the present embodiment is substantially the same with embodiment six, and the present embodiment and the difference of embodiment six exist
In:Annular magnetic bowl 215 is interior and is not provided with magnet or magnetic ledge structure, and annular magnetic bowl 215 is integrally formed by soft magnetic materials, annular
Magnetic bowl 215 can also form complete magnetic loop with energization solenoid 21.
Compared with correlation technique, the magnetic structure of linear vibration electric motor of the present utility model includes soft magnetic bodies and is arranged
In the solenoid of the soft magnetic bodies, and in the soft magnetic bodies and the solenoid both sides, magnetic is set, make the magnetic with
The Lorentz force produced between the solenoid after energization and the soft magnetic bodies magnetization after and the active force between magnetic
The vibration of adduction drive vibrator is stacked, increase is driven the driving force of the oscillator, so that fast response time;While the soft magnetism
Body is spliced and combined by multiple soft magnetic bodies and formed, and makes installation and removal simple, is easy to assembling.
Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area
For personnel, on the premise of the utility model creation design is not departed from, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (10)
1. a kind of linear vibration electric motor, including the housing with receiving space and the oscillator and stator being contained in the housing,
A wherein side for the oscillator and the stator includes solenoid, and wherein the opposing party of the oscillator and the stator includes magnetic circuit
Structure, it is characterised in that the magnetic structure includes
It is divided into the first magnetic conductive part and the second magnetic conductive part that the solenoid two ends are oppositely arranged;
It is divided into the 3rd magnetic conductive part and the 4th magnetic conductive part that the solenoid both sides are oppositely arranged, it is first magnetic conductive part, described
Second magnetic conductive part, the 3rd magnetic conductive part and the 4th magnetic conductive part are integrally formed the annular magnetic bowl surrounded with host cavity, institute
State solenoid be contained in the host cavity and with first magnetic conductive part, second magnetic conductive part, the 3rd magnetic conductive part
It is arranged at intervals with the 4th magnetic conductive part;
And be arranged in magnetic bowl and with the spaced soft magnetic bodies of magnetic bowl, the soft magnetic bodies include the first soft magnetism
Body, the second soft magnetic bodies and the 3rd soft magnetic bodies for being individually fixed in the first soft magnetic bodies two ends, second soft magnetic bodies and described
At least one of 3rd soft magnetic bodies are set with the first soft magnetic bodies split, and it is external that the solenoid is sheathed on first soft magnetism
Week is simultaneously located between second soft magnetic bodies and the 3rd soft magnetic bodies.
2. linear vibration electric motor according to claim 1, it is characterised in that first soft magnetic bodies are in the form of a column, the spiral shell
Axial orthographic projection of the spool along first soft magnetic bodies is entirely fallen on second soft magnetic bodies and the 3rd soft magnet.
3. linear vibration electric motor according to claim 2, it is characterised in that the magnetic structure is also described including being fixed on
First magnetic part of the first magnetic conductive part and the second magnetic part for being fixed on second magnetic conductive part, first magnetic part with it is described
Second soft magnetic bodies are arranged at intervals just pair and with second soft magnetic bodies, and second magnetic part and the 3rd soft magnetic bodies are just pair simultaneously
It is arranged at intervals with the 3rd soft magnetic bodies.
4. linear vibration electric motor according to claim 3, it is characterised in that first magnetic part and second magnetic
Part is magnet.
5. linear vibration electric motor according to claim 3, it is characterised in that first magnetic part and second magnetic
Part is to extend the magnetic conduction projection to be formed towards the soft magnetic bodies from first magnetic conductive part and second magnetic conductive part respectively.
6. the linear vibration electric motor according to claim any one of 2-5, it is characterised in that the magnetic structure also includes solid
It is scheduled on the 3rd magnetic part of the 3rd magnetic conductive part and is fixed on the 4th magnetic part of the 4th magnetic conductive part, the 3rd magnetic
Part and the 4th magnetic part just pair and are arranged at intervals with the solenoid respectively.
7. linear vibration electric motor according to claim 6, it is characterised in that the 3rd magnetic part and the 4th magnetic
Part is magnet;Or, the 3rd magnetic part and the 4th magnetic part are respectively from the 3rd magnetic conductive part and the described 4th
It is raised that magnetic conductive part extends the magnetic conduction to be formed towards the soft magnetic bodies.
8. linear vibration electric motor according to claim 1, it is characterised in that first soft magnetic bodies are respectively with described second
Soft magnetic bodies and the 3rd soft magnetic bodies split are set, and second soft magnetic bodies and the 3rd soft magnetic bodies are sheathed on described the respectively
The two ends of one soft magnetic bodies.
9. linear vibration electric motor according to claim 1, it is characterised in that first soft magnetic bodies and second soft magnetism
Body split is set, and second soft magnetic bodies are sheathed on one end of first soft magnetic bodies, the other end of first soft magnetic bodies with
The 3rd soft magnetism body by integral forming.
10. linear vibration electric motor according to claim 1, it is characterised in that described first soft magnetic bodies one end and described the
Two soft magnetic bodies splits are set, and the other end is set with the 3rd soft magnetism body by integral forming;Second soft magnetic bodies include main part
With the extension extended by described main part one end, the main part other end abuts first soft magnetic bodies.
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CN201720079364.2U CN206524745U (en) | 2017-01-20 | 2017-01-20 | Linear vibration electric motor |
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WO2021000090A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration electric motor |
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US11264882B2 (en) * | 2018-12-17 | 2022-03-01 | Aac Acoustic Technologies (Shenzhen) Co., Ltd. | Vibrating motor |
US11289990B2 (en) * | 2018-12-30 | 2022-03-29 | AAC Technologies Pte. Ltd. | Linear vibration motor |
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US11411479B2 (en) * | 2018-09-13 | 2022-08-09 | Lanto Electronic Limited | Linear vibration motor with buffer blocks |
US11264882B2 (en) * | 2018-12-17 | 2022-03-01 | Aac Acoustic Technologies (Shenzhen) Co., Ltd. | Vibrating motor |
US11289990B2 (en) * | 2018-12-30 | 2022-03-29 | AAC Technologies Pte. Ltd. | Linear vibration motor |
US11482916B2 (en) * | 2019-03-20 | 2022-10-25 | AAC Technologies Pte. Ltd. | Linear motor |
WO2021000090A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration electric motor |
WO2021000087A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
CN110996228A (en) * | 2019-11-25 | 2020-04-10 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
WO2021103527A1 (en) * | 2019-11-25 | 2021-06-03 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
CN110996228B (en) * | 2019-11-25 | 2021-10-08 | 歌尔股份有限公司 | Vibration exciter for electronic product and electronic product |
CN114421730A (en) * | 2021-12-31 | 2022-04-29 | 歌尔股份有限公司 | Linear vibration motor |
CN114421730B (en) * | 2021-12-31 | 2024-03-15 | 歌尔股份有限公司 | Linear vibration motor |
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